If you want to buy the data for research and analysis then go for official government website. Government is selling the port data.
http://www.dgciskol.gov.in
In this website you get all information for all products all port, pricing and all. Excluding buyer name you will get complete port shipment details for all products including HSN & all.
Moreover it would be most latest & most accurate as they are of Government.
A perfect subscription for product research and trend analysis to capture key market with key products.